[INFO] updating cached repository Vagelis-Prokopiou/rs_fibonacci
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Vagelis-Prokopiou/rs_fibonacci
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Vagelis-Prokopiou/rs_fibonacci" "work/ex/beta-1.38-1/sources/1.37.0/gh/Vagelis-Prokopiou/rs_fibonacci"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Vagelis-Prokopiou/rs_fibonacci'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Vagelis-Prokopiou/rs_fibonacci" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Vagelis-Prokopiou/rs_fibonacci"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Vagelis-Prokopiou/rs_fibonacci'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 795f75602f4469f1abb5b8039fa687b1952511d8
[INFO] sha for GitHub repo Vagelis-Prokopiou/rs_fibonacci: 795f75602f4469f1abb5b8039fa687b1952511d8
[INFO] validating manifest of Vagelis-Prokopiou/rs_fibonacci on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Vagelis-Prokopiou/rs_fibonacci on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Vagelis-Prokopiou/rs_fibonacci
[INFO] finished frobbing Vagelis-Prokopiou/rs_fibonacci
[INFO] frobbed toml for Vagelis-Prokopiou/rs_fibonacci written to work/ex/beta-1.38-1/sources/1.37.0/gh/Vagelis-Prokopiou/rs_fibonacci/Cargo.toml
[INFO] started frobbing Vagelis-Prokopiou/rs_fibonacci
[INFO] finished frobbing Vagelis-Prokopiou/rs_fibonacci
[INFO] frobbed toml for Vagelis-Prokopiou/rs_fibonacci written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Vagelis-Prokopiou/rs_fibonacci/Cargo.toml
[INFO] crate Vagelis-Prokopiou/rs_fibonacci already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Vagelis-Prokopiou/rs_fibonacci against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Vagelis-Prokopiou/rs_fibonacci:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 39ed076906217c2796adc383003d7cea0c21c75582b811f3b7e5113906cee98b
[INFO] running `"docker" "start" "-a" "39ed076906217c2796adc383003d7cea0c21c75582b811f3b7e5113906cee98b"`
[INFO] [stderr]    Compiling rust_fibonacci v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "39ed076906217c2796adc383003d7cea0c21c75582b811f3b7e5113906cee98b"`
[INFO] running `"docker" "rm" "-f" "39ed076906217c2796adc383003d7cea0c21c75582b811f3b7e5113906cee98b"`
[INFO] [stdout] 39ed076906217c2796adc383003d7cea0c21c75582b811f3b7e5113906cee98b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Vagelis-Prokopiou/rs_fibonacci:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2db575cac7bd7cfbce70d1e145423f3bc1acf58dc4732fe630ad4c42ec22d782
[INFO] running `"docker" "start" "-a" "2db575cac7bd7cfbce70d1e145423f3bc1acf58dc4732fe630ad4c42ec22d782"`
[INFO] [stderr]    Compiling rust_fibonacci v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `"docker" "inspect" "2db575cac7bd7cfbce70d1e145423f3bc1acf58dc4732fe630ad4c42ec22d782"`
[INFO] running `"docker" "rm" "-f" "2db575cac7bd7cfbce70d1e145423f3bc1acf58dc4732fe630ad4c42ec22d782"`
[INFO] [stdout] 2db575cac7bd7cfbce70d1e145423f3bc1acf58dc4732fe630ad4c42ec22d782
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Vagelis-Prokopiou/rs_fibonacci:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 17d97e490634c753e953375ac236d5b79a5bbfd14cef809636b5ceda73b425d4
[INFO] running `"docker" "start" "-a" "17d97e490634c753e953375ac236d5b79a5bbfd14cef809636b5ceda73b425d4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fibonacci-54fcb03be114d72b
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tests-f65c6edf7a276e07
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_fibonacci_with_array_memoization ... ok
[INFO] [stdout] test test_fibonacci_iterative ... ok
[INFO] [stdout] test test_fibonacci_with_hashmap_memoization ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fibonacci
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "17d97e490634c753e953375ac236d5b79a5bbfd14cef809636b5ceda73b425d4"`
[INFO] running `"docker" "rm" "-f" "17d97e490634c753e953375ac236d5b79a5bbfd14cef809636b5ceda73b425d4"`
[INFO] [stdout] 17d97e490634c753e953375ac236d5b79a5bbfd14cef809636b5ceda73b425d4